Branch Terminal Blocks
Compact multi-output connections for efficient circuit distribution
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JINH Branch Terminal Blocks
JINH branch terminal blocks are designed for applications that need to distribute power or a common electrical potential to several circuits within limited panel space. The range includes modular PTX series terminals with push-in connections and compact JH series terminals with screw or bolt-fixed terminations.
PTX models support 0.14–4 mm² conductors and are available in different output configurations for TH35 DIN rail installations. JH branch terminals cover larger conductor ranges and higher current requirements for control panels, machinery and power-distribution assemblies.
- PTX series: 24A, 450V or 690V models, depending on configuration
- PTX conductor range: 0.14–4 mm²
- JH series: selected models approximately 60A–80A
- JH conductor range: selected models up to 16 mm²
- Installation: TH35 DIN rail, modular adapters or fixed mounting, depending on model
- Connections: push-in, screw or bolt-fixed designs by series
What Is a Branch Terminal Block?
A branch terminal block is an electrical distribution component that connects one common incoming potential to multiple outgoing conductors. It replaces improvised wire stacking or multiple separate splices with a defined connection layout that is easier to assemble, inspect and service.
Branch terminal blocks are available in different connection technologies and output configurations. Select by voltage, current, conductor type and size, number of outputs, mounting method and applicable standards.
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PTX and JH Branch Terminal Block Range
Choose modular PTX push-in models for fast, repeatable wiring in TH35 DIN rail assemblies. Choose compact JH screw or bolt-fixed models for larger conductors, higher current requirements and fixed equipment layouts.
Confirm the input and output conductor sizes, branch count, mounting method and published electrical ratings in the product drawing before selection.
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Efficient Distribution Without Complex Jumper Wiring
Using a purpose-built branch terminal helps reduce the number of jumpers and connection points required to distribute a common supply. PTX models provide several branch configurations in a compact modular form, while JH models offer fixed layouts for equipment and control-panel power distribution.
A structured input-to-output arrangement makes the circuit easier to understand during commissioning and troubleshooting. It also helps production teams repeat the same wiring method across multiple machines or panel builds.
Application Scenario
Industrial Automation Panels
Machinery Wiring
Building Control Systems
Renewable Energy Equipment
Test and Measurement Equipment
OEM Electrical Assemblies
Benefits of Using Branch Terminal Blocks
Simplified Multi-Circuit Distribution
One defined distribution point replaces multiple improvised splices and reduces unnecessary jumper wiring.
Compact Panel Layout
Multiple outgoing connections are arranged within a small footprint, helping designers manage limited cabinet or equipment space.
Multiple Connection Technologies
Push-in, screw and fixed-terminal options let designers match the branch block to installation speed, conductor size and maintenance requirements.
Easier Inspection and Troubleshooting
Clearly arranged inputs and outputs make it easier to identify circuits and verify connections during commissioning or service.
Scalable Output Configurations
PTX and JH series models provide different branch counts so the connection layout can match the actual number of downstream circuits.
Resource
Branch Terminal Blocks FAQ
It distributes one common incoming electrical potential to multiple outgoing conductors through a defined internal conductive path.
A branch terminal block is usually an open or modular connection component installed inside an enclosure. A distribution junction box generally includes a protective housing or transparent cover and is designed as a larger multi-circuit distribution assembly.
PTX models use a compact modular format with push-in connections and can be assembled on TH35 rail with suitable accessories. JH models use fixed layouts with screw or bolt-type terminations for different conductor and current requirements.
The number of outputs depends on the model. PTX products include several branch configurations, while JH products provide different fixed connection layouts. Use the product drawing to confirm the exact internal connection arrangement.
Compatibility depends on the selected model and termination method. Check the published conductor range and preparation requirements, including whether ferrules are required for flexible conductors.
Use a branch block when several circuits must share a common input and a compact, repeatable distribution layout is preferred. Jumper-connected feed-through terminals may be more suitable when the number or arrangement of circuits changes frequently.
